PT-2025-37502 · Linux+4 · Linux Kernel+4

Published 2022-11-28 · Updated 2025-11-12 · CVE-2022-50248

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The Linux kernel contains a vulnerability in the iwlwifi MVM subsystem that can lead to a double free on the transmit path. This issue can cause kernel crashes, lockups, and KASAN errors, particularly with ax210 firmware. The vulnerability occurs when the iwl mvm tx skb sta function returns a non-zero value, leading to the freeing of an skb, which may also be freed in an error case when building a TSO skb buffer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Double Free

Weakness Enumeration

CWE-416

CWE-415

Related Identifiers

BDU:2026-06070

CVE-2022-50248

SUSE-SU-2025:03613-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03626-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

SUSE-SU-2025:4004-1

SUSE-SU-2025:4016-1

SUSE-SU-2025:4064-1

Affected Products

Astra Linux

Linux Kernel

Suse

Ax210 Firmware

Iwlwifi

References · 900

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50248.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-50248 · Vendor Advisory
• https://git.kernel.org/stable/c/ae966649f665bc3868b935157dd4a3c31810dcc0 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03613-1 · Vendor Advisory
• https://git.kernel.org/stable/c/8fabe41fba907e4fd826acbbdb42e09c681c515e · Patch
• https://git.kernel.org/stable/c/3a2ecd1ec14075117ccb3e85f0fed224578ec228 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4064-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4016-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0473cbae2137b963bd0eaa74336131cb1d3bc6c3 · Patch
• https://ubuntu.com/security/CVE-2022-50248 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50248 · Vendor Advisory
• https://git.kernel.org/stable/c/0e1e311fd929c6a8dcfddcb4748c47b07e39821f · Patch
• https://git.kernel.org/stable/c/d8e32f1bf1a9183a6aad560c6688500222d24299 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory